12B-1

Roller chainISO 12Bsingle-strand

single-strand ISO 606 B-series roller chain — pitch 0.75" (19.05 mm). ISO 606 B-series — interchangeable across all major brands at matching designation.

Tsubaki12B-1

Pricing not yet available.

We're building pricing coverage for chain. In the meantime, this cross-reference shows the equivalent designations and per-brand part numbers so you can source the right chain from any supplier — the ANSI / ISO standard guarantees the dimensional match.

Specifications

Designation12B
SeriesISO 606 B-series roller chain
Strand count1 (single-strand)
Pitch0.75" (19.05 mm)
Roller diameter0.475"
Width between plates0.46"
Pin diameter0.225"
Plate thickness0.07"
Plate height0.634"
Min tensile (ANSI)6,969 lb
Max allowable load1,387 lb
Mass0.84 lb/ft
Pin typeriveted
Source:VerifiedVerified — U.S. Tsubaki Roller Chain Catalog · last checked last month · perfect interchange

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PDF includes specs, dimensions, and cross-references for 12B-1.

Equivalents Across Brands

ANSI B29.1 / ISO 606 standardize all primary dimensions across manufacturers — chains at matching designation are dimensionally interchangeable. Always verify brand-rated working load against your application before substitution.

BrandPart NumberGrade nameOEM
TsubakiRS12BRBRSYes

Related Chains

Other strand counts in the same designation, plus cross-series equivalents at matching pitch.

1-strand
12B-1
0.75" pitch1,387 lb allow
2-strand
12B-2
0.75" pitch2,019 lb allow
3-strand
12B-3
0.75" pitch2,967 lb allow
Same pitch (60)
60-1
0.75" pitch1,980 lb allow

Strand-Count Comparison

All strand counts side-by-side
Compare 12B-1 through 12B-3 →